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erofs-linux/drivers/rtc
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Thomas Gleixner ebb22a0594 rtc: mc146818: Dont test for bit 0-5 in Register D 
The recent change to validate the RTC turned out to be overly tight.

While it cures the problem on the reporters machine it breaks machines
with Intel chipsets which use bit 0-5 of the D register. So check only
for bit 6 being 0 which is the case on these Intel machines as well.

Fixes: 211e5db19d ("rtc: mc146818: Detect and handle broken RTCs")
Reported-by: Serge Belyshev <[email protected]>
Reported-by: Dirk Gouders <[email protected]>
Reported-by: Borislav Petkov <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Dirk Gouders <[email protected]>
Tested-by: Len Brown <[email protected]>
Tested-by: Borislav Petkov <[email protected]>
Acked-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
2021-02-02 20:35:02 +01:00
..
class.c
Merge tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2020-12-20 10:12:06 -08:00
dev.c
…
interface.c
…
Kconfig
rtc: mxc{,_v2}: enable COMPILE_TEST
2020-12-03 23:42:36 +01:00
lib.c
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Makefile
ntp, rtc: Move rtc_set_ntp_time() to ntp code
2020-12-11 10:40:52 +01:00
nvmem.c
rtc: nvmem: emit an error message when nvmem registration fails
2020-11-19 12:50:12 +01:00
proc.c
…
rtc-88pm80x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-88pm860x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab3100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-b5ze-s3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-eoz9.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-abx80x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ac100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-armada38x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-as3722.c
…
rtc-asm9260.c
…
rtc-aspeed.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91rm9200.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91sam9.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-au1xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-bd70528.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-bq32k.c
rtc: Replace HTTP links with HTTPS ones
2020-07-16 11:17:52 +02:00
rtc-bq4802.c
…
rtc-brcmstb-waketimer.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cadence.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cmos.c
rtc: mc146818: Dont test for bit 0-5 in Register D
2021-02-02 20:35:02 +01:00
rtc-coh901331.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-core.h
…
rtc-cpcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cros-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9052.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9055.c
…
rtc-da9063.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-davinci.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-digicolor.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-dm355evm.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1216.c
…
rtc-ds1286.c
…
rtc-ds1302.c
…
rtc-ds1305.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1307.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1343.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1347.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1374.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1390.c
…
rtc-ds1511.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1553.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1672.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1685.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1742.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds2404.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds3232.c
rtc: add devm_ prefix to rtc_nvmem_register()
2020-11-19 12:50:11 +01:00
rtc-efi.c
…
rtc-em3027.c
…
rtc-ep93xx.c
rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
2020-12-03 23:49:31 +01:00
rtc-fm3130.c
…
rtc-fsl-ftm-alarm.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ftrtc010.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-generic.c
…
rtc-goldfish.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-hid-sensor-time.c
…
rtc-hym8563.c
rtc: hym8563: enable wakeup when applicable
2020-11-14 23:36:10 +01:00
rtc-imx-sc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-imxdi.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-isl1208.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-isl12022.c
…
rtc-isl12026.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-jz4740.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-lp8788.c
…
rtc-lpc24xx.c
…
rtc-lpc32xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ls1x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t80.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t93.c
…
rtc-m41t94.c
…
rtc-m48t35.c
…
rtc-m48t59.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m48t86.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-max6900.c
…
rtc-max6902.c
…
rtc-max6916.c
…
rtc-max8907.c
…
rtc-max8925.c
…
rtc-max8997.c
…
rtc-max8998.c
…
rtc-max77686.c
rtc: max77686: Fix wake-ups for max77620
2020-08-07 23:29:47 +02:00
rtc-mc13xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mc146818-lib.c
rtc: mc146818: Dont test for bit 0-5 in Register D
2021-02-02 20:35:02 +01:00
rtc-mcp795.c
rtc: Replace HTTP links with HTTPS ones
2020-07-16 11:17:52 +02:00
rtc-meson-vrtc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-meson.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-moxart.c
…
rtc-mpc5121.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mrst.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-msm6242.c
…
rtc-mt2712.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mt6397.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mt7622.c
…
rtc-mv.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mxc_v2.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mxc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-omap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-opal.c
…
rtc-palmas.c
…
rtc-pcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf2123.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf2127.c
rtc: pcf2127: only use watchdog when explicitly available
2020-12-19 01:57:44 +01:00
rtc-pcf8523.c
rtc: pcf8523: use BIT
2020-11-19 12:52:25 +01:00
rtc-pcf8563.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf8583.c
…
rtc-pcf50633.c
…
rtc-pcf85063.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf85363.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pic32.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pl030.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pl031.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pm8xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ps3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pxa.c
…
rtc-r7301.c
…
rtc-r9701.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rc5t583.c
…
rtc-rc5t619.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rk808.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rp5c01.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c313.c
rtc: rtc-rs5c313: Convert to module_platform_driver()
2020-08-21 00:13:44 +02:00
rtc-rs5c348.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c372.c
…
rtc-rtd119x.c
…
rtc-rv3028.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv3029c2.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv3032.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rv8803.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rx4581.c
…
rtc-rx6110.c
rtc: rx6110: add i2c support
2020-11-17 20:30:30 +01:00
rtc-rx8010.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rx8025.c
…
rtc-rx8581.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-s3c.c
rtc: s3c: Remove dead code related to periodic tick handling
2020-12-03 23:51:30 +01:00
rtc-s3c.h
…
rtc-s5m.c
…
rtc-s35390a.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sa1100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sa1100.h
…
rtc-sc27xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sd3078.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sh.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sirfsoc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-snvs.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-spear.c
…
rtc-st-lpc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-starfire.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stk17ta8.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stm32.c
…
rtc-stmp3xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun4v.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun6i.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sunxi.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tegra.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-test.c
rtc: test: remove debug message
2020-12-03 23:43:23 +01:00
rtc-tps6586x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tps65910.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tps80031.c
…
rtc-twl.c
…
rtc-tx4939.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-v3020.c
…
rtc-vr41xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-vt8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wilco-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm831x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm8350.c
…
rtc-x1205.c
…
rtc-xgene.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-zynqmp.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
sysfs.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00